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Please dont tell me how much better long tubes are than shorties i am quite aware im just trying to keep my car legal for california so i saw these on sale and was considering them. are they just the typical 3-5 hp gain i keep reading about or what would you recommend?
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Mine are working good with my SC, I get pretty good low end torque with them at 2700rpm, start of the dyno run I'm seeing 375ft/lbs, and yes the look much better!
We have installed and dyno'd dozens of these. The ceramic finished shorties do only make about 3 to 5 wheel at most. In a few cases, we have seen 0 gain. if you ever plan on a blower you will see a few more. try to put on a set of the Prothane motor mounts at the same time since the mounts have to come out anyway. Free labor and most places have these for less than $150 now. Great upgrade over the mushy (Leaking) factory hydra-mounts.
However the new Magna Flow "metallic cat" high flow x-pipe has made a consistant 20+ if you can believe that!
I considered the JBA shorties but went with BBK for a couple reasons, one was that they are cheaper, and the second was that they came with all the hardware and gaskets needed. IIRC JBA doesn't include gaskets. They will be on today (hopefully) so I will make a thread once I'm done.
Thanks for all the info guys i think ill get them and the motor mounts but does it matter what the material of the shorties are or is stainless steal okay? ide like to know more about the metallic cat i havnt heard of it but i do get discounts from magnaflow
get them ceramic coated so they stay looking good over the years that you'll have the car.
+1 you can reuse the stock jaskets and use jasket sealer, if you do it yourself, to seal the bad boy up
your def going to notice the difference in sound and performance.
+1 get the MM becuase you may have clearnce issue with the headers and the steering shaft. i did and it sucked so just get them lol they are worth it for the better shifts and for being able to make up for the lost power in the drivetrain from the stock mounts
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Are JBA cat4ward shorties any good?
